Door Ajar

Recording by a-ha.

Recording identifiers

ISRC
DEUM71501738
CopyrightID (CopyrightChains transaction hash)
0xc14960a466f6cecfc36d26481eb22f43d206ae472b7ea9a0177d9343f685363d
Copyright registration time
2026-06-11T22:32:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b6dd8be108ecea94f3476c186fffdf6ff79f812c87ec462db15fac14f59c29c7

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.